diff options
Diffstat (limited to 'modules/openxr/extensions/openxr_fb_update_swapchain_extension.cpp')
| -rw-r--r-- | modules/openxr/extensions/openxr_fb_update_swapchain_extension.cpp | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/modules/openxr/extensions/openxr_fb_update_swapchain_extension.cpp b/modules/openxr/extensions/openxr_fb_update_swapchain_extension.cpp new file mode 100644 index 0000000000..1289183ea4 --- /dev/null +++ b/modules/openxr/extensions/openxr_fb_update_swapchain_extension.cpp @@ -0,0 +1,102 @@ +/**************************************************************************/ +/* openxr_fb_update_swapchain_extension.cpp */ +/**************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/**************************************************************************/ +/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */ +/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */ +/* */ +/* Permission is hereby granted, free of charge, to any person obtaining */ +/* a copy of this software and associated documentation files (the */ +/* "Software"), to deal in the Software without restriction, including */ +/* without limitation the rights to use, copy, modify, merge, publish, */ +/* distribute, sublicense, and/or sell copies of the Software, and to */ +/* permit persons to whom the Software is furnished to do so, subject to */ +/* the following conditions: */ +/* */ +/* The above copyright notice and this permission notice shall be */ +/* included in all copies or substantial portions of the Software. */ +/* */ +/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ +/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ +/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */ +/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ +/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ +/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ +/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ +/**************************************************************************/ + +#include "openxr_fb_update_swapchain_extension.h" + +// always include this as late as possible +#include "../openxr_platform_inc.h" + +OpenXRFBUpdateSwapchainExtension *OpenXRFBUpdateSwapchainExtension::singleton = nullptr; + +OpenXRFBUpdateSwapchainExtension *OpenXRFBUpdateSwapchainExtension::get_singleton() { + return singleton; +} + +OpenXRFBUpdateSwapchainExtension::OpenXRFBUpdateSwapchainExtension(const String &p_rendering_driver) { + singleton = this; + rendering_driver = p_rendering_driver; +} + +OpenXRFBUpdateSwapchainExtension::~OpenXRFBUpdateSwapchainExtension() { + singleton = nullptr; +} + +HashMap<String, bool *> OpenXRFBUpdateSwapchainExtension::get_requested_extensions() { + HashMap<String, bool *> request_extensions; + + request_extensions[XR_FB_SWAPCHAIN_UPDATE_STATE_EXTENSION_NAME] = &fb_swapchain_update_state_ext; + + if (rendering_driver == "vulkan") { +#ifdef XR_USE_GRAPHICS_API_VULKAN + request_extensions[XR_FB_SWAPCHAIN_UPDATE_STATE_VULKAN_EXTENSION_NAME] = &fb_swapchain_update_state_vulkan_ext; +#endif + } else if (rendering_driver == "opengl3") { +#ifdef XR_USE_GRAPHICS_API_OPENGL_ES + request_extensions[XR_FB_SWAPCHAIN_UPDATE_STATE_OPENGL_ES_EXTENSION_NAME] = &fb_swapchain_update_state_opengles_ext; +#endif + } + + return request_extensions; +} + +void OpenXRFBUpdateSwapchainExtension::on_instance_created(const XrInstance p_instance) { + if (fb_swapchain_update_state_ext) { + EXT_INIT_XR_FUNC(xrUpdateSwapchainFB); + EXT_INIT_XR_FUNC(xrGetSwapchainStateFB); + } + + if (fb_swapchain_update_state_vulkan_ext) { + // nothing to register here... + } + + if (fb_swapchain_update_state_opengles_ext) { + // nothing to register here... + } +} + +void OpenXRFBUpdateSwapchainExtension::on_instance_destroyed() { + fb_swapchain_update_state_ext = false; + fb_swapchain_update_state_vulkan_ext = false; + fb_swapchain_update_state_opengles_ext = false; +} + +bool OpenXRFBUpdateSwapchainExtension::is_enabled() const { + if (rendering_driver == "vulkan") { + return fb_swapchain_update_state_ext && fb_swapchain_update_state_vulkan_ext; + } else if (rendering_driver == "opengl3") { +#ifdef XR_USE_GRAPHICS_API_OPENGL_ES + return fb_swapchain_update_state_ext && fb_swapchain_update_state_opengles_ext; +#else + return fb_swapchain_update_state_ext; +#endif + } + + return false; +} |